1、
A-Fe 2 O 3 ( haematite ) was one of the first compounds to be studied by neutron diffraction.
A-Fe2O3(赤铁矿 ) 是中子衍射最先研究的化合物之一.
词典精选例句
2、
3、
A-fe2o3 ( haematite) was one of the first compounds to be studied by neutron diffraction.
a-fe2o3（赤铁矿）是中子衍射最先研究的化合物之一。
词典精选例句
